2.1.7

• Closes #1133 Adding required markup for subhead and moving to the top of flexible page migration. (#1419)
• Closes #1231: Migrate front page (#1411)
• Update Quickstart Migration README for developer workshop. (#1437)
• Fixes #1232 Optionally add html paragraphs to migration lookup, and remove contacts from page migration. (#1416)
• Closes #396 Updated CKEditor icons for embed buttons (#1423)
• Closes #1311: Default XDebug config for VS Code (#1312)
• Closes #595: Add az_security module (#915)
• Closes #876: Enable testing of related az-quickstart-dev branches in main repo CI builds. (#877)
• Fixes #1356 Adding z-index for rendering full-width backgrounds behind sidebars (#1365)